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On the dynamics of a planetary transmission for renewable energy systems

WSEAS Transactions on Applied and Theoretical Mechanics 2010年第2期5卷 146-155页

作者： Codruta, Jaliu Radu, Saulescu Dorin, Diaconescu Mircea, Neagoe Oliver, Climescu Product Design and Robotics Department University Transilvania of Brasov Eroilor 29 Brasov Romania

The speed increaser placed between a turbine and a generator in a small hydro plant has to multiply the input speed so that the generator to function at its best efficiency. The analyzed speed increaser is an innovative planetary chain transmission that was proposed by the authors. The dynamic model of the chain speed increaser is presented in the paper based on Lagrange and Newton-Euler methods. The dynamic modeling allows the establishment of the working point in stationary regime for the turbine - speed increaser - generator assembly. The results guarantee the good functioning of the physical prototype of small hydropower plant in certain conditions.

关键词： Speed

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Ecological responsibility, component of the corporate social responsibility

Ecological responsibility, component of the corporate social...

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作者： Mureşan, Laura Poţincu, Cristian-Romeo Duguleana, Mihai Department of Public Law Romania Department of Marketing Turism Services and International Transactions Department of Product Design and Robotics Transilvania University of Braşov 29 Eroilor Blvd. Braşov Romania

ISBN: (纸本)9789604741823

Conceptually, including the ecological responsibility as an independent component into the general concept of social responsibility, together with the other four types of responsibility, is justified by the current evolution of the society, and complexity of the ecological aspects exceeding the categories of legal responsibility or economic responsibility. The ecological responsibility implies the integration of the requirements for the environment protection into the polities and strategies of any commercial company.

关键词： Sustainable development

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Using eye blinking for EOG-based robot control

IFIP Advances in Information and Communication Technology

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IFIP Advances in Information and Communication Technology 2010年 314卷 343-350页

作者： Duguleana, Mihai Mogan, Gheorghe Transylvania University of Brasov Product Design and Robotics Department Bulevardul Eroilor nr. 29 Brasov Romania

ISBN: (纸本)9783642116278

This paper proposes a new approach to real-time robot controlling by integrating an Electrooculography (EOG) measuring device within human-robot interaction (HRI). Our study focuses on controlling robots using EOG for fulfilling elementary robot activities such as basic motor movements and environment interaction. A new EOG-based HRI paradigm has been developed on the specific defined problem of eye blinking. The resulted model is tested using biometric capturing equipment. We propose a simple algorithm for real-time identification and processing of signals produced by eyes during blinking phases. We present the experimental setup and the results of the experiment. We conclude by listing further research issues. © 2010 Springer Berlin Heidelberg.

关键词： Human robot interaction

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The virtual prototype of a mechatronic suspension system with active force control

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WSEAS Transactions on Systems 2010年第9期9卷 927-936页

作者： Alexandru, Catalin Alexandru, Petre Product Design and Robotics Department Transilvania University of Brasov 29 Bd. Eroilor 500036 Brasov Romania

The paper presents the virtual prototype of an automotive suspension system with force generator actuator. The active suspensions use sensors to measure the accelerations of sprung mass and unsprung mass, the analog signals from the sensors being transmitted to the controller, which communicates with the force actuator. In this way, the passenger comfort and car stability are simultaneously improved. The study is developed for a quarter-car model, which contains the guiding & suspension system of a front wheel. The virtual prototype of the active suspension is a control loop composed by the multi-body mechanical model connected with the dynamic model of the actuator and with the controller model. The digital platform used in the study integrates MBS (Multi-Body Systems) and DFC (design for Control) software solutions. The numeric simulations have been performed considering a step input signal, the control strategy aiming to decrease the overshoot, without adversely affecting other performance indexes.

关键词： Controllers

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A new pattern of knowledge based on experimenting the causality relation

A new pattern of knowledge based on experimenting the causal...

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14th International Conference on Intelligent Engineering Systems, INES 2010

作者： Pozna, C. Prahovean, V. Precup, R.-E. Department of Product Design and Robotics Transilvania University of Brasov Brasov Romania Dept. of Political and Administrative Sciences Babes-Bolyai University of Cluj Napoca Cluj-Napoca Romania Department of Automation and Applied Informatics Politehnica University of Timisoara Timisoara Romania

ISBN: (纸本)9781424476527

This paper suggests a new pattern of human knowledge. Its execution represents an important stage in the general framework of aiming the building of an artificial cognitive system. First the general presentation of the artificial cognitive system, its objective, main principles and implementation phases are highlighted. The known patterns, which have a cultural (philosophical, psychological and linguistic) origin are then analyzed. Finally the details concerning the proposed pattern are pointed out. © 2010 IEEE.

关键词： Cognitive systems

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NDSP: A platform for audiophile software audio processing

NDSP: A platform for audiophile software audio processing

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IEEE International Joint Conferences on Computational Cybernetics and Technical Informatics, ICCC-CONTI 2010

作者： Paul, Adrian-Sebastian Precup, Radu-Emil Pozna, Claudiu David, Radu-Codrut Dept. of Automation and Applied Informatics Politehnica University of Timisoara Timisoara Romania Department of Product Design and Robotics Transilvania University of Brasov Brasov Romania Faculty of Engineering Széchenyi István University Györ Hungary

ISBN: (纸本)9781424474332

This paper proposes a platform referred to as nDSP to interconnect different software audio signal processing effects which are modularized. The new platform is focused on having all processing done by the system CPU at higher quality than that achieved using hardware DSPs. The software representation of the module inside the platform is defined such that its state can be externally controlled, therefore the design of self-tuning filters is allowed. The design aims the further use of software audio signal processing in low-cost audiophile loudspeaker systems taking full advantage of the new personal computer hardware products. © 2010 IEEE.

关键词： Computer hardware

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A Virtual Reality based human-network interaction system for 3D internet applications

A Virtual Reality based human-network interaction system for...

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International Conference on Optimization of Electrical and Electronic Equipment, OPTIM

作者： Vlad Cristian Stoianovici Doru Talaba Adrian-Valentin Nedelcu Mihai Machedon Pisu Florin Barbuceanu Adrian Stavar Department of Electronics and Computers Transilvania University of Brasov Romania Department of Product Design and Robotics Transilvania University of Brasov Romania

The field of Ubiquitous Wireless Sensor Networks has recently been the subject of an exponential development in various telecommunications areas. One of the open issues in this field is to create an interface that would allow the user to naturally interact with the various objects that compose the ubiquitous ambient. An emerging solution to this challenge seems to be the integration of Virtual Reality technologies into these applications. The goal of this research is to investigate a way of assimilating a fully immersive, three-dimensional virtual environment to Wireless Sensor Networks and hence, to develop a human-network interaction (HNI) conceptual system. The integration, in this system, of the paradigm of Televirtuality through the recent concept of “3D Internet” is also studied. To illustrate the concept, a human - intelligent building interaction system is implemented, that allows the user to naturally interact with intelligent objects, actuators, or remote equipment altogether connected within the same network.

关键词： Virtual reality Internet Intelligent actuators Wireless sensor networks Intelligent networks Intelligent structures Ubiquitous computing Virtual environment Humans Intelligent systems

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Takagi-Sugeno fuzzy controller for a magnetic levitation system laboratory equipment

Takagi-Sugeno fuzzy controller for a magnetic levitation sys...

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IEEE International Joint Conferences on Computational Cybernetics and Technical Informatics, ICCC-CONTI 2010

作者： Dragos, Claudia-Adina Preitl, Stefan Precup, Radu-Emil Bulzan, Raul-Gherasim Pozna, Claudiu Tar, Jozsef K. Politehnica University of Timisoara Timisoara Romania Department of Product Design and Robotics Transilvania University of Brasov Brasov Romania Faculty of Engineering Széchenyi István University Gyor Hungary Institute of Intelligent Engineering Systems Obuda University Budapest Hungary

ISBN: (纸本)9781424474332

This paper presents the design and the implementation of two control solutions applied to a magnetic levitation system laboratory equipment. The first solution deals with a state feedback control structure to stabilize the controlled plant which is the inner control loop for the cascade control system structure proposed as the second solution. The second solution is based on a TakagiSugeno fuzzy controller in the outer control loop to ensure the zero steady-state control errors. Simulation and real time experimental results are included to illustrate the performance of the control systems and to validate the two control solutions in regulation and tracking. © 2010 IEEE.

关键词： Controllers

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Modeling of a vehicle with continuously variable transmission

Modeling of a vehicle with continuously variable transmissio...

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19th International Workshop on robotics in Alpe-Adria-Danube Region, RAAD 2010

作者： Dragos, C.-A. Preitl, S. Precup, R.-E. Pirlea, D. Nes, C.-S. Petriu, E.M. Pozna, C. Department of Automation and Applied Informatics Politehnica University of Timisoara Timisoara Romania Department of Strength of Materials Politehnica University of Timisoara Timisoara Romania School of Information Technology and Engineering University of Ottawa Ottawa Canada Department of Product Design and Robotics Transilvania University of Brasov Brasov Romania Faculty of Engineering Széchenyi István University Györ Hungary

ISBN: (纸本)9781424468867

The paper presents aspects concerning the modeling and driving scenarios of a class of vehicular power train systems. The modeling includes an analysis of the system components which include the spark-ignition internal combustion engine, the torque converter, the metal V-belt type continuously variable transmission and the wheels. Four driving scenarios are illustrated by digital simulation results: acceleration, overtaking maneuver, ramp encounter and engine brake. © 2010 IEEE.

关键词： Torque converters

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Cognition aspects concerning an abstraction model

Cognition aspects concerning an abstraction model

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10th IASTED International Conference on Artificial Intelligence and Applications, AIA 2010

作者： Pozna, Claudiu Precup, Radu-Emil Minculete, Nicusor Antonya, Csaba Department of Product Design and Robotics University Transilvania of Brasov Bd. Eroilor 28 500036 Brasov Romania Department of Automation and Applied Informatics Politehnica University of Timisoara Bd. V. Parvan 2 300223 Timisoara Romania Departament of REI University Dimitrie Cantemir of Brasov Str. Bisericii Ramane 107 500036 Brasov Romania

ISBN: (纸本)9780889868182

The paper presents several cognition aspects concerning an abstraction model previously proposed by the authors. The abstraction model is backed up by the definition of classes and subclasses aiming the causality. The main characteristics of the model ensure the enhancement of knowledge manipulation. One case study is included to apply the theoretical results.

关键词： Abstracting

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